save project

diy1.py

-
+import time
+o = time.time()
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.append(0)
+i = time.time()
+print(i - o)
\ No newline at end of file